Don't treat your website like a commodity
The traditional approach to product development involves coming up with new idea and then driving as many people towards that product as possible, in the hope that some of them will want it. As such we adopt the language of marketing, and talk about marketing funnels and conversion rates. If our marketing department has done a good job they will have created a campaign that not only generates traffic, but creates a previously unrecognised need. Tired? Need a break? Why not have a KitKat?